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<h1 class="post-title" itemprop="name headline">Vision方案调研
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          <h1 id="Vision突出展示人像方案调研"><a href="#Vision突出展示人像方案调研" class="headerlink" title="Vision突出展示人像方案调研"></a>Vision突出展示人像方案调研</h1><h2 id="引言"><a href="#引言" class="headerlink" title="引言"></a>引言</h2><ul>
<li><p><strong>背景介绍</strong></p>
<p>当前找搭子中的图片都是进行中间等比缩放裁剪，无法突出图片重点。在人像照中用户通常更希望的是突出人物重点，以达成更好的体验效果。</p>
</li>
<li><p><strong>目标</strong></p>
<p>在帖子列表图片裁剪的时候保证人脸的居中，利用苹果提供的 Vision Framework 对图片进行人体检测，并裁剪出人体部份进行展示，突出图片中的人物重点。</p>
</li>
</ul>
<h2 id="Vision-Framework"><a href="#Vision-Framework" class="headerlink" title="Vision Framework"></a>Vision Framework</h2><h3 id="概述"><a href="#概述" class="headerlink" title="概述"></a>概述</h3><p>Vision Framework是苹果在iOS 11中首次推出用于图像分析和计算机视觉任务的框架。它为开发者提供了在应用中轻松实现各种图像处理功能，如人脸检测、文本识别、物体识别、图像分类、条码扫描等。</p>
<h3 id="主要功能"><a href="#主要功能" class="headerlink" title="主要功能"></a>主要功能</h3><p><img src="/image-20241126172930223.png" alt="image-20241126172930223"></p>
<h4 id="3-功能详解"><a href="#3-功能详解" class="headerlink" title="3. 功能详解"></a>3. 功能详解</h4><ul>
<li><strong>3.1 图像处理和分析</strong><ul>
<li>3.1.1 物体检测<ul>
<li>描述物体检测的能力和应用场景。</li>
</ul>
</li>
<li>3.1.2 文字识别（OCR）<ul>
<li>文字检测与识别功能的详细说明。</li>
</ul>
</li>
<li>3.1.3 面部检测和识别<ul>
<li>面部检测技术的功能和限制。</li>
</ul>
</li>
</ul>
</li>
<li><strong>3.2 动作识别</strong><ul>
<li>描述动作识别及其应用，特别是在视频中的使用。</li>
</ul>
</li>
<li><strong>3.3 图像注册和跟踪</strong><ul>
<li>介绍图像注册功能，视觉跟踪的技术细节及使用场景。</li>
</ul>
</li>
</ul>
<h4 id="4-案例分析"><a href="#4-案例分析" class="headerlink" title="4. 案例分析"></a>4. 案例分析</h4><ul>
<li><strong>4.1 成功案例</strong><ul>
<li>提供一些使用Vision Framework的成功案例。</li>
</ul>
</li>
<li><strong>4.2 实际应用场景</strong><ul>
<li>描述潜在或现有应用场景，行业应用等。</li>
</ul>
</li>
</ul>
<h4 id="5-技术优势"><a href="#5-技术优势" class="headerlink" title="5. 技术优势"></a>5. 技术优势</h4><ul>
<li><strong>5.1 易用性</strong><ul>
<li>在集成和使用方面的友好程度。</li>
</ul>
</li>
<li><strong>5.2 效率和速度</strong><ul>
<li>框架在处理速度和效率方面的表现。</li>
</ul>
</li>
<li><strong>5.3 准确性与可靠性</strong><ul>
<li>结果的准确性和在不同环境下的可靠性。</li>
</ul>
</li>
</ul>
<h4 id="6-限制与挑战"><a href="#6-限制与挑战" class="headerlink" title="6. 限制与挑战"></a>6. 限制与挑战</h4><ul>
<li><strong>6.1 当前限制</strong><ul>
<li>介绍框架目前的技术和应用限制。</li>
</ul>
</li>
<li><strong>6.2 未来挑战</strong><ul>
<li>讨论Vision Framework未来可能面临的挑战。</li>
</ul>
</li>
</ul>
<h4 id="7-总结与建议"><a href="#7-总结与建议" class="headerlink" title="7. 总结与建议"></a>7. 总结与建议</h4><ul>
<li><strong>7.1 总结</strong><ul>
<li>对调研发现进行总结。</li>
</ul>
</li>
<li><strong>7.2 建议</strong><ul>
<li>对于开发者、设计人员和决策者的建议。</li>
</ul>
</li>
</ul>
<h4 id="8-参考文献"><a href="#8-参考文献" class="headerlink" title="8. 参考文献"></a>8. 参考文献</h4><ul>
<li>提供所有相关的参考文献及资源。</li>
</ul>

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          <div class="post-toc motion-element"><ol class="nav"><li class="nav-item nav-level-1"><a class="nav-link" href="#Vision%E7%AA%81%E5%87%BA%E5%B1%95%E7%A4%BA%E4%BA%BA%E5%83%8F%E6%96%B9%E6%A1%88%E8%B0%83%E7%A0%94"><span class="nav-number">1.</span> <span class="nav-text">Vision突出展示人像方案调研</span></a><ol class="nav-child"><li class="nav-item nav-level-2"><a class="nav-link" href="#%E5%BC%95%E8%A8%80"><span class="nav-number">1.1.</span> <span class="nav-text">引言</span></a></li><li class="nav-item nav-level-2"><a class="nav-link" href="#Vision-Framework"><span class="nav-number">1.2.</span> <span class="nav-text">Vision Framework</span></a><ol class="nav-child"><li class="nav-item nav-level-3"><a class="nav-link" href="#%E6%A6%82%E8%BF%B0"><span class="nav-number">1.2.1.</span> <span class="nav-text">概述</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#%E4%B8%BB%E8%A6%81%E5%8A%9F%E8%83%BD"><span class="nav-number">1.2.2.</span> <span class="nav-text">主要功能</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#3-%E5%8A%9F%E8%83%BD%E8%AF%A6%E8%A7%A3"><span class="nav-number">1.2.2.1.</span> <span class="nav-text">3. 功能详解</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#4-%E6%A1%88%E4%BE%8B%E5%88%86%E6%9E%90"><span class="nav-number">1.2.2.2.</span> <span class="nav-text">4. 案例分析</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#5-%E6%8A%80%E6%9C%AF%E4%BC%98%E5%8A%BF"><span class="nav-number">1.2.2.3.</span> <span class="nav-text">5. 技术优势</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#6-%E9%99%90%E5%88%B6%E4%B8%8E%E6%8C%91%E6%88%98"><span class="nav-number">1.2.2.4.</span> <span class="nav-text">6. 限制与挑战</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#7-%E6%80%BB%E7%BB%93%E4%B8%8E%E5%BB%BA%E8%AE%AE"><span class="nav-number">1.2.2.5.</span> <span class="nav-text">7. 总结与建议</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#8-%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE"><span class="nav-number">1.2.2.6.</span> <span class="nav-text">8. 参考文献</span></a></li></ol></li></ol></li></ol></li></ol></div>
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